The government under has sought to expand and provide legal foundations for intelligence agency powers in the name of national security and combating terrorism.
The moves have sparked concern from the US government and human rights groups that say the new powers could be used to suppress political dissent, silence foreign organizations working in China and force technology companies to give the Communist Party access to sensitive information.
A coalition of business groups from Japan, Britain, the United States and other countries this week appealed to China to postpone a newly adopted cybersecurity law. They warned it could violate Beijing's free-trade commitments.
The latest proposal would allow authorities to use electronic surveillance techniques and seize vehicles and real estate. It allows for rewards for "major contributions" to intelligence activities.